.icon {
    width: 5em;
    height: 4em;
    vertical-align: middle;
    fill: currentColor;
    overflow: hidden;
  }
  .iconfont {
    width: 200px;
    height: 200px;
    font-size: 100px;
  }

  body,html,ul{
    padding:0;
    margin:0;
  }

  .el-container,body{
    height: 100%;
  }
  img{
    display: block;
  }